/Engine/Source/Runtime/AssetRegistry/Public/AssetRegistry/AssetRegistryHelpers.h
Gets the value associated with the given tag as a string
static bool GetTagValue ( const [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) & InAssetData, const [FName](API\Runtime\Core\UObject\FName) & InTagName, [FString](API\Runtime\Core\Containers\FString) & OutTagValue )